Home / 109,736.37-151,427.88-61,994.16

Finding the Fourth Proportional to 109,736.37, 151,427.88 and 61,994.16

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Solution

The fourth proportional to 109,736.37, 151,427.88 and 61,994.16 is: 85,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,736.37 : 151,427.88 = 61,994.16 : x
  2. Step 2: Convert to fraction form
    109,736.37/151,427.88 = 61,994.16/x
  3. Step 3: Cross multiply
    109,736.37x = 151,427.88 × 61,994.16
  4. Step 4: Simplify right side
    109,736.37x = 9,387,644,221.18
  5. Step 5: Solve for x
    x = 9,387,644,221.18/109,736.37
  6. Step 6: Final answer
    x = 85,547.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.